Home / 109,869.75-164,812.86-46,682.76

Finding the Fourth Proportional to 109,869.75, 164,812.86 and 46,682.76

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Solution

The fourth proportional to 109,869.75, 164,812.86 and 46,682.76 is: 70,027.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,869.75 : 164,812.86 = 46,682.76 : x
  2. Step 2: Convert to fraction form
    109,869.75/164,812.86 = 46,682.76/x
  3. Step 3: Cross multiply
    109,869.75x = 164,812.86 × 46,682.76
  4. Step 4: Simplify right side
    109,869.75x = 7,693,919,188.29
  5. Step 5: Solve for x
    x = 7,693,919,188.29/109,869.75
  6. Step 6: Final answer
    x = 70,027.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.